DateQ (Calendar Package Symbol)

DateQ[{year, month, day}] yields True if date {year, month, day} is a valid date in the current calendar system, and yields False otherwise. DateQ[{year, month, day, hour, ...

DayOfWeek (Calendar Package Symbol)

DayOfWeek[{year, month, day}] gives the day of the week on which the given date {year, month, day} occurred.DayOfWeek[{year, month, day, hour, minute, second}] gives the day ...

DaysBetween (Calendar Package Symbol)

DaysBetween[{year_1, month_1, day_1}, {year_2, month_2, day_2}] gives the number of days between the dates {year_1, month_1, day_1} and {year_2, month_2, day_2}. ...

PseudoDiameter (Graph Utilities Package Symbol)

PseudoDiameter[g] give the pseudo-diameter of the undirected graph g, and the two vertices that achieve this diameter.

WishartDistribution (Multivariate Statistics Package Symbol)

WishartDistribution[\[CapitalSigma], m] represents a Wishart distribution with scale matrix \[CapitalSigma] and degrees of freedom parameter m.

Music Package (Music Package Tutorial)

The functions defined in Music` allow you to make conversions between cents and hertz, and play scales in one of the common tuning systems, or in a user-specified tuning ...

Precedence of Operators in Notations (Notation Package Tutorial)

The precedence of any new notation or operator is determined by examining the components from which it is constructed. For instance, +_ ℛ is grouped according to the ...

AiryAi (Built-in Mathematica Symbol)

AiryAi[z] gives the Airy function Ai(z).

AiryAiPrime (Built-in Mathematica Symbol)

AiryAiPrime[z] gives the derivative of the Airy function Ai^\[Prime] (z).

AiryBi (Built-in Mathematica Symbol)

AiryBi[z] gives the Airy function Bi(z).